Re: x86: use smp_send_reschedule in kvm_vcpu_kick

Gleb Natapov
2009-03-19T07:43:00Z

On Fri, Mar 13, 2009 at 10:15:22AM +0800, Zhang, Xiantao wrote:
> We also hacked the source like the patch. But the issue is not caused by it. We are still trying to figure the reason out. Thanks!
> Xiantao
>

With the patch below I am able to compile kvm-userspace on IA64 and run linux guest.
Network doesn't work since there is some kind of problem with PCI interrupts. They are
not delivered to a guest.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
diff --git a/qemu/hw/ipf.c b/qemu/hw/ipf.c
index e2b53ee..bbe789a 100644
--- a/qemu/hw/ipf.c
+++ b/qemu/hw/ipf.c
@@ -700,7 +700,7 @@ void ioapic_set_irq(void *opaque, int irq_num, int level)
ioapic_irq_count[vector] -= 1;

if (kvm_enabled()) {
- if (kvm_set_irq(vector, ioapic_irq_count[vector] == 0))
+ if (kvm_set_irq(vector, ioapic_irq_count[vector] == 0, NULL))
return;
}
}
@@ -709,3 +709,17 @@ int ipf_map_irq(PCIDevice *pci_dev, int irq_num)
{
return ioapic_map_irq(pci_dev->devfn, irq_num);
}
+
+static int apic_irq_delivered;
+void apic_reset_irq_delivered(void)
+{
+ apic_irq_delivered = 0;
+}
+int apic_get_irq_delivered(void)
+{
+ return apic_irq_delivered;
+}
+void apic_set_irq_delivered(void)
+{
+ apic_irq_delivered = 1;
+}
diff --git a/qemu/target-ia64/cpu.h b/qemu/target-ia64/cpu.h
index 9bad6f6..5960bb9 100644
--- a/qemu/target-ia64/cpu.h
+++ b/qemu/target-ia64/cpu.h
@@ -29,7 +29,7 @@

#define TARGET_LONG_BITS 64

-#define TARGET_PAGE_BITS 16
+#define TARGET_PAGE_BITS 14

#define ELF_MACHINE EM_IA_64

@@ -40,13 +40,14 @@
#include "cpu-defs.h"

#include "softfloat.h"
+#define CPUState struct CPUIA64State
+
typedef struct CPUIA64State {
CPU_COMMON;
uint32_t hflags;
int mp_state;
} CPUIA64State;

-#define CPUState CPUIA64State
#define cpu_gen_code cpu_ia64_gen_code
#define cpu_init cpu_ia64_init
#define cpu_signal_handler cpu_ia64_signal_handler
--
Gleb.